security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2025-07-02 22:46:30 +02:00
Code Activity

compress stuff implemented

Browse source
This commit is contained in:
Werner Koch 1997-11-23 15:38:27 +00:00
parent 2f3cb7e30a
commit db19a27518
16 changed files with 445 additions and 227 deletions
Download patch file Download diff file Expand all files Collapse all files

29
g10/build-packet.c
View file

@ -42,11 +42,13 @@ static int do_pubkey_enc( IOBUF out, int ctb, PKT_pubkey_enc *enc );
static u32 calc_plaintext( PKT_plaintext *pt );
static int do_plaintext( IOBUF out, int ctb, PKT_plaintext *pt );
static int do_encr_data( IOBUF out, int ctb, PKT_encr_data *ed );
static int do_compressed( IOBUF out, int ctb, PKT_compressed *cd );
static int calc_header_length( u32 len );
static int write_16(IOBUF inp, u16 a);
static int write_32(IOBUF inp, u32 a);
static int write_header( IOBUF out, int ctb, u32 len );
static int write_header2( IOBUF out, int ctb, u32 len, int blkmode );
static int write_version( IOBUF out, int ctb );
/****************
@ -86,9 +88,11 @@ build_packet( IOBUF out, PACKET *pkt )
case PKT_ENCR_DATA:
rc = do_encr_data( out, ctb, pkt->pkt.encr_data );
break;
case PKT_COMPR_DATA:
rc = do_compressed( out, ctb, pkt->pkt.compressed );
break;
case PKT_SIGNATURE:
case PKT_RING_TRUST:
case PKT_COMPR_DATA:
default:
log_bug("invalid packet type in build_packet()");
break;
@ -304,6 +308,20 @@ do_encr_data( IOBUF out, int ctb, PKT_encr_data *ed )
return rc;
}
static int
do_compressed( IOBUF out, int ctb, PKT_compressed *cd )
{
int rc = 0;
/* we must use the old convention and don't use blockmode */
write_header2(out, ctb, 0, 0 );
iobuf_put(out, cd->algorithm );
/* This is all. The caller has to write the real data */
return rc;
}
@ -349,6 +367,12 @@ calc_header_length( u32 len )
*/
static int
write_header( IOBUF out, int ctb, u32 len )
{
return write_header2( out, ctb, len, 1 );
}
static int
write_header2( IOBUF out, int ctb, u32 len, int blkmode )
{
if( !len )
ctb |= 3;
@ -361,7 +385,8 @@ write_header( IOBUF out, int ctb, u32 len )
if( iobuf_put(out, ctb ) )
return -1;
if( !len ) {
iobuf_set_block_mode(out, 8196 );
if( blkmode )
iobuf_set_block_mode(out, 8196 );
}
else {
if( ctb & 2 ) {